For spring and fall travel, fly from Washington DC area airports to Madrid for $368 on Delta.
Seen below, we found seats in Basic Economy departing DCA on Friday, October 26, returning from MAD on Saturday, November 3. If you don't like the restrictions of Basic Economy, there are Main Cabin seats available for $548 roundtrip.
Travel on scattered dates in May, then again beginning in September, departing through September 18, with returns through October.
See our fare details for booking info.
Need a hotel in Madrid? Here's what's available for the above dates on Hotelwatchdog.